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1# RUN: llc -mtriple=amdgcn -mcpu=gfx900 -run-pass=si-late-branch-lowering -verify-machineinstrs %s -o - | FileCheck -check-prefixes=GCN,GFX9 %s2# RUN: llc -mtriple=amdgcn -mcpu=gfx1010 -mattr=+wavefrontsize64 -run-pass=si-late-branch-lowering -verify-machineinstrs %s -o - | FileCheck -check-prefixes=GCN,GFX10 %s3# RUN: llc -mtriple=amdgcn -mcpu=gfx1100 -mattr=+wavefrontsize64 -run-pass=si-late-branch-lowering -verify-machineinstrs %s -o - | FileCheck -check-prefixes=GCN,GFX11 %s4 5# RUN: llc -mtriple=amdgcn -mcpu=gfx1100 -mattr=+wavefrontsize64 -passes=si-late-branch-lowering %s -o - | FileCheck -check-prefixes=GCN,GFX11 %s6 7--- |8 define amdgpu_ps void @early_term_scc0_end_block() {9 ret void10 }11 12 define amdgpu_ps void @early_term_scc0_next_terminator() {13 ret void14 }15 16 define amdgpu_ps void @early_term_scc0_in_block() {17 ret void18 }19 20 define amdgpu_gs void @early_term_scc0_gs() {21 ret void22 }23 24 define amdgpu_cs void @early_term_scc0_cs() {25 ret void26 }27 28 define amdgpu_ps void @early_term_no_export() #0 {29 ret void30 }31 32 define amdgpu_ps void @early_term_depth_only() #1 {33 ret void34 }35 36 attributes #0 = { "amdgpu-color-export"="0" "amdgpu-depth-export"="0" }37 attributes #1 = { "amdgpu-color-export"="0" "amdgpu-depth-export"="1" }38...39 40---41name: early_term_scc0_end_block42tracksRegLiveness: true43liveins:44 - { reg: '$sgpr0' }45 - { reg: '$sgpr1' }46body: |47 ; GCN-LABEL: name: early_term_scc0_end_block48 ; GCN: bb.0:49 ; GCN: successors: %bb.1(0x80000000), %bb.2(0x00000000)50 ; GCN: liveins: $sgpr0, $sgpr151 ; GCN: $vgpr0 = V_MOV_B32_e32 0, implicit $exec52 ; GCN: dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc53 ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc54 ; GCN: bb.1:55 ; GCN: liveins: $vgpr056 ; GCN: EXP_DONE 0, $vgpr0, $vgpr0, $vgpr0, $vgpr0, -1, -1, 15, implicit $exec57 ; GCN: S_ENDPGM 058 ; GCN: bb.2:59 ; GCN: $exec = S_MOV_B64 060 ; GFX9: EXP_DONE 9, undef $vgpr0, undef $vgpr0, undef $vgpr0, undef $vgpr0, 1, 0, 0, implicit $exec61 ; GFX10: EXP_DONE 9, undef $vgpr0, undef $vgpr0, undef $vgpr0, undef $vgpr0, 1, 0, 0, implicit $exec62 ; GFX11: EXP_DONE 0, undef $vgpr0, undef $vgpr0, undef $vgpr0, undef $vgpr0, 1, 0, 0, implicit $exec63 ; GCN: S_ENDPGM 064 bb.0:65 liveins: $sgpr0, $sgpr166 successors: %bb.167 68 $vgpr0 = V_MOV_B32_e32 0, implicit $exec69 dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc70 SI_EARLY_TERMINATE_SCC0 implicit $scc, implicit $exec71 72 bb.1:73 liveins: $vgpr074 EXP_DONE 0, $vgpr0, $vgpr0, $vgpr0, $vgpr0, -1, -1, 15, implicit $exec75 S_ENDPGM 076...77 78---79name: early_term_scc0_next_terminator80tracksRegLiveness: true81liveins:82 - { reg: '$sgpr0' }83 - { reg: '$sgpr1' }84body: |85 ; GCN-LABEL: name: early_term_scc0_next_terminator86 ; GCN: bb.0:87 ; GCN: successors: %bb.2(0x80000000), %bb.3(0x00000000)88 ; GCN: liveins: $sgpr0, $sgpr189 ; GCN: $vgpr0 = V_MOV_B32_e32 0, implicit $exec90 ; GCN: dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc91 ; GCN: S_CBRANCH_SCC0 %bb.3, implicit $scc92 ; GCN: S_BRANCH %bb.293 ; GCN: bb.1:94 ; GCN: successors: %bb.2(0x80000000)95 ; GCN: $vgpr0 = V_MOV_B32_e32 1, implicit $exec96 ; GCN: bb.2:97 ; GCN: liveins: $vgpr098 ; GCN: EXP_DONE 0, $vgpr0, $vgpr0, $vgpr0, $vgpr0, -1, -1, 15, implicit $exec99 ; GCN: S_ENDPGM 0100 ; GCN: bb.3:101 ; GCN: $exec = S_MOV_B64 0102 ; GFX9: EXP_DONE 9, undef $vgpr0, undef $vgpr0, undef $vgpr0, undef $vgpr0, 1, 0, 0, implicit $exec103 ; GFX10: EXP_DONE 9, undef $vgpr0, undef $vgpr0, undef $vgpr0, undef $vgpr0, 1, 0, 0, implicit $exec104 ; GFX11: EXP_DONE 0, undef $vgpr0, undef $vgpr0, undef $vgpr0, undef $vgpr0, 1, 0, 0, implicit $exec105 ; GCN: S_ENDPGM 0106 bb.0:107 liveins: $sgpr0, $sgpr1108 successors: %bb.2109 110 $vgpr0 = V_MOV_B32_e32 0, implicit $exec111 dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc112 SI_EARLY_TERMINATE_SCC0 implicit $scc, implicit $exec113 S_BRANCH %bb.2114 115 bb.1:116 successors: %bb.2117 $vgpr0 = V_MOV_B32_e32 1, implicit $exec118 S_BRANCH %bb.2119 120 bb.2:121 liveins: $vgpr0122 EXP_DONE 0, $vgpr0, $vgpr0, $vgpr0, $vgpr0, -1, -1, 15, implicit $exec123 S_ENDPGM 0124...125 126---127name: early_term_scc0_in_block128tracksRegLiveness: true129liveins:130 - { reg: '$sgpr0' }131 - { reg: '$sgpr1' }132body: |133 ; GCN-LABEL: name: early_term_scc0_in_block134 ; GCN: bb.0:135 ; GCN: successors: %bb.3(0x40000000), %bb.2(0x40000000)136 ; GCN: liveins: $sgpr0, $sgpr1137 ; GCN: $vgpr0 = V_MOV_B32_e32 0, implicit $exec138 ; GCN: dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc139 ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc140 ; GCN: bb.3:141 ; GCN: successors: %bb.1(0x80000000)142 ; GCN: liveins: $vgpr0, $scc143 ; GCN: $vgpr1 = V_MOV_B32_e32 1, implicit $exec144 ; GCN: bb.1:145 ; GCN: liveins: $vgpr0, $vgpr1146 ; GCN: EXP 1, $vgpr1, $vgpr1, $vgpr1, $vgpr1, -1, -1, 15, implicit $exec147 ; GCN: EXP_DONE 0, $vgpr0, $vgpr0, $vgpr0, $vgpr0, -1, -1, 15, implicit $exec148 ; GCN: S_ENDPGM 0149 ; GCN: bb.2:150 ; GCN: $exec = S_MOV_B64 0151 ; GFX9: EXP_DONE 9, undef $vgpr0, undef $vgpr0, undef $vgpr0, undef $vgpr0, 1, 0, 0, implicit $exec152 ; GFX10: EXP_DONE 9, undef $vgpr0, undef $vgpr0, undef $vgpr0, undef $vgpr0, 1, 0, 0, implicit $exec153 ; GFX11: EXP_DONE 0, undef $vgpr0, undef $vgpr0, undef $vgpr0, undef $vgpr0, 1, 0, 0, implicit $exec154 ; GCN: S_ENDPGM 0155 bb.0:156 liveins: $sgpr0, $sgpr1157 successors: %bb.1158 159 $vgpr0 = V_MOV_B32_e32 0, implicit $exec160 dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc161 SI_EARLY_TERMINATE_SCC0 implicit $scc, implicit $exec162 $vgpr1 = V_MOV_B32_e32 1, implicit $exec163 164 bb.1:165 liveins: $vgpr0, $vgpr1166 EXP 1, $vgpr1, $vgpr1, $vgpr1, $vgpr1, -1, -1, 15, implicit $exec167 EXP_DONE 0, $vgpr0, $vgpr0, $vgpr0, $vgpr0, -1, -1, 15, implicit $exec168 S_ENDPGM 0169...170 171---172name: early_term_scc0_gs173tracksRegLiveness: true174liveins:175 - { reg: '$sgpr0' }176 - { reg: '$sgpr1' }177body: |178 ; GCN-LABEL: name: early_term_scc0_gs179 ; GCN: bb.0:180 ; GCN: successors: %bb.1(0x80000000)181 ; GCN: liveins: $sgpr0, $sgpr1182 ; GCN: $vgpr0 = V_MOV_B32_e32 0, implicit $exec183 ; GCN: dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc184 ; GCN: bb.1:185 ; GCN: liveins: $vgpr0186 ; GCN: S_ENDPGM 0187 ; GCN: bb.2:188 ; GCN: $exec = S_MOV_B64 0189 ; GCN: S_ENDPGM 0190 bb.0:191 liveins: $sgpr0, $sgpr1192 successors: %bb.1193 194 $vgpr0 = V_MOV_B32_e32 0, implicit $exec195 dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc196 SI_EARLY_TERMINATE_SCC0 implicit $scc, implicit $exec197 198 bb.1:199 liveins: $vgpr0200 S_ENDPGM 0201...202 203---204name: early_term_scc0_cs205tracksRegLiveness: true206liveins:207 - { reg: '$sgpr0' }208 - { reg: '$sgpr1' }209body: |210 ; GCN-LABEL: name: early_term_scc0_cs211 ; GCN: bb.0:212 ; GCN: successors: %bb.1(0x80000000), %bb.2(0x00000000)213 ; GCN: liveins: $sgpr0, $sgpr1214 ; GCN: $vgpr0 = V_MOV_B32_e32 0, implicit $exec215 ; GCN: dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc216 ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc217 ; GCN: bb.1:218 ; GCN: liveins: $vgpr0219 ; GCN: S_ENDPGM 0220 ; GCN: bb.2:221 ; GCN: $exec = S_MOV_B64 0222 ; GCN: S_ENDPGM 0223 bb.0:224 liveins: $sgpr0, $sgpr1225 successors: %bb.1226 227 $vgpr0 = V_MOV_B32_e32 0, implicit $exec228 dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc229 SI_EARLY_TERMINATE_SCC0 implicit $scc, implicit $exec230 231 bb.1:232 liveins: $vgpr0233 S_ENDPGM 0234...235 236---237name: early_term_no_export238tracksRegLiveness: true239liveins:240 - { reg: '$sgpr0' }241 - { reg: '$sgpr1' }242body: |243 ; GCN-LABEL: name: early_term_no_export244 ; GCN: bb.0:245 ; GCN: successors: %bb.1(0x80000000), %bb.2(0x00000000)246 ; GCN: liveins: $sgpr0, $sgpr1247 ; GCN: $vgpr0 = V_MOV_B32_e32 0, implicit $exec248 ; GCN: dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc249 ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc250 ; GCN: bb.1:251 ; GCN: liveins: $vgpr0252 ; GCN: EXP_DONE 0, $vgpr0, $vgpr0, $vgpr0, $vgpr0, -1, -1, 15, implicit $exec253 ; GCN: S_ENDPGM 0254 ; GCN: bb.2:255 ; GCN: $exec = S_MOV_B64 0256 ; GFX9: EXP_DONE 9, undef $vgpr0, undef $vgpr0, undef $vgpr0, undef $vgpr0, 1, 0, 0, implicit $exec257 ; GFX10-NOT: EXP_DONE258 ; GFX11-NOT: EXP_DONE259 ; GCN: S_ENDPGM 0260 bb.0:261 liveins: $sgpr0, $sgpr1262 successors: %bb.1263 264 $vgpr0 = V_MOV_B32_e32 0, implicit $exec265 dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc266 SI_EARLY_TERMINATE_SCC0 implicit $scc, implicit $exec267 268 bb.1:269 liveins: $vgpr0270 EXP_DONE 0, $vgpr0, $vgpr0, $vgpr0, $vgpr0, -1, -1, 15, implicit $exec271 S_ENDPGM 0272...273 274---275name: early_term_depth_only276tracksRegLiveness: true277liveins:278 - { reg: '$sgpr0' }279 - { reg: '$sgpr1' }280body: |281 ; GCN-LABEL: name: early_term_depth_only282 ; GCN: bb.0:283 ; GCN: successors: %bb.1(0x80000000), %bb.2(0x00000000)284 ; GCN: liveins: $sgpr0, $sgpr1285 ; GCN: $vgpr0 = V_MOV_B32_e32 0, implicit $exec286 ; GCN: dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc287 ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc288 ; GCN: bb.1:289 ; GCN: liveins: $vgpr0290 ; GCN: EXP_DONE 8, $vgpr0, $vgpr0, $vgpr0, $vgpr0, -1, -1, 15, implicit $exec291 ; GCN: S_ENDPGM 0292 ; GCN: bb.2:293 ; GCN: $exec = S_MOV_B64 0294 ; GFX9: EXP_DONE 9, undef $vgpr0, undef $vgpr0, undef $vgpr0, undef $vgpr0, 1, 0, 0, implicit $exec295 ; GFX10: EXP_DONE 9, undef $vgpr0, undef $vgpr0, undef $vgpr0, undef $vgpr0, 1, 0, 0, implicit $exec296 ; GFX11: EXP_DONE 8, undef $vgpr0, undef $vgpr0, undef $vgpr0, undef $vgpr0, 1, 0, 0, implicit $exec297 ; GCN: S_ENDPGM 0298 bb.0:299 liveins: $sgpr0, $sgpr1300 successors: %bb.1301 302 $vgpr0 = V_MOV_B32_e32 0, implicit $exec303 dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc304 SI_EARLY_TERMINATE_SCC0 implicit $scc, implicit $exec305 306 bb.1:307 liveins: $vgpr0308 EXP_DONE 8, $vgpr0, $vgpr0, $vgpr0, $vgpr0, -1, -1, 15, implicit $exec309 S_ENDPGM 0310...311